619471490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{42989}}^1$

素因数の和:43138

約数の個数: 32

約数和(自身を含む): 1225730880

約数和(自身を除く): 606259390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 7205, 14410, 42989, 85978, 214945, 429890, 472879, 945758, 2364395, 4728790, 5631559, 11263118, 28157795, 56315590, 61947149, 123894298, 309735745, 619471490]

約数ペア:

[(1, 619471490), (2, 309735745), (5, 123894298), (10, 61947149), (11, 56315590), (22, 28157795), (55, 11263118), (110, 5631559), (131, 4728790), (262, 2364395), (655, 945758), (1310, 472879), (1441, 429890), (2882, 214945), (7205, 85978), (14410, 42989)]